Rugged Marine-Grade Alternator Built for Powerful Battery Charging

The ARCO Zeus A225S is a high-output alternator designed for marine, RV, commercial, and military systems requiring fast, efficient charging of large battery banks. Delivering up to 254 amps, it significantly reduces engine runtime while supporting system-wide voltage stability. 1" single foot with spacer and isolated ground configuration. With advanced cooling features, corrosion-resistant finishes, and multiple mounting options, it’s ideal for high-demand electrical environments.

Key Features

• High output performance: Provides up to 254 amps at 9,000 RPM for rapid battery charging, even at low engine speeds.
• Advanced thermal management: Dual cooling fans, external rectifier, and heat-shedding coatings reduce operating temperatures by 8–20%.
• Durable exterior finish: E-Coat and Cerakote finishes offer excellent protection against heat and corrosion in marine environments.
• Flexible mounting options: 1" single foot with spacer and isolated ground configuration.
• Regulation versatility: Supports both internal and external voltage regulation for system-specific flexibility.
• Marine safety certified: Meets SAE J1171 ignition protection standards for safe marine operation.

Built for demanding electrical loads, this alternator ensures performance, safety, and long-term reliability.